Date: 10/04/2005 Views: 3019
Date: 08/03/2009 Views: 3013
Date: 01/05/2011 Views: 3679
Date: 08/23/2023 Views: 173753
Old 1/4 in (6.4 mm) vent on the top. Totally inadequate for the job. New 3/8 in (9.5 mm) vent on the bottom.